Although he had the equipment, Roy only had a rough idea of how to modify the thing into gear that could prevent dizziness.
Roy wanted the equipment, once activated, to continuously send opposing false signals to his vestibular nerves based on his Phasing frequency. The black-noise generator could determine the frequency and direction of his Phasing flashes through sonic positioning, but how to send signals directly to his nervous system was a thorny problem.
To solve it, Roy planned to study the Confundus Charm and the Memory Charm first. But the current situation did not seem to support another trip to the library to borrow books.
Before the term began, Roy had borrowed a huge pile of books from the library to research Phasing and flashing, and he still had not returned them. If he wanted to borrow any more, Madam Pince would definitely make him return all those books first. But Roy still needed them, and the pass allowing him into the Restricted Section had genuinely expired. Now, he did not dare show his face in front of Madam Pince at all.
Books were the ladder of human progress. Roy wanted to improve too badly, but unfortunately, there was no ladder for him to climb.
To solve this problem, Roy sought out the omnipotent house-elves.
"Please, just help me bring out two books."
In Hogwarts' kitchens, countless house-elves dressed in ragged clothes worked tirelessly. These house-elves were all very shy and generally did not appear before students of their own accord. Whenever they cleaned Hogwarts Castle, they deliberately avoided the students' sight and chose times when no one was around.
Roy was familiar with most of the house-elves, because he often asked these loyal little fellows to help him with things. Today, he once again sought out the house-elf